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Allen-Bradley 1746-P2 SLC 500 Power Supply Module

Brand:Allen-Bradley
Product Family: SLC 500
Model Number: 1746-P2
Type: Power Supply Module
Product Origin: USA
Payment: T/T, Western Union, Credit Card
Price: USD 220
Dimensions: 5.5 x 3.3 x 5.7 inches.
Weight: 1.1 kg (2.5 lbs).
Warranty: 12 months

  • Product Details

The Allen-Bradley 1746-P2 is a robust and versatile power supply module designed for use with the SLC 500 modular automation system. It provides reliable power to the system’s processors, I/O modules, and communication adapters. The module is known for its reliable operation, versatility, and features that support high-inductive load applications in industrial environments.


Key Features and Specifications

Electrical Characteristics:

  • Input Voltage:
    • 85-132 V AC or 170-265 V AC (jumper-selectable).
    • Frequency: 47-63 Hz.
  • Inrush Current:
    • Up to 20 A.
  • Typical Power Requirement:
    • 180 VA line power.
  • Output Voltage:
    • 24 V DC, with a range of 18-30 V DC.
    • Includes a 5 V DC backplane power output.
  • Output Current Capacity:
    • 5 A at 5 V DC.
    • 0.96 A at 24 V DC.
    • 200 mA user-supplied power at 24 V DC.
  • Fuse Protection:
    • 1746-F2 internal fuse for short-circuit protection.

Performance and Reliability:

  • CPU Hold-up Time:
    • 20 ms under full load.
    • 3000 ms with no load.
  • Isolation:
    • 1800 V AC RMS between input terminals and backplane for 1 second.
  • Overcurrent Protection:
    • Series A/B: Complete power supply and CPU fault shutdown.
    • Series C: User power shutdown, CPU continues operation.

Mechanical and Installation:

  • Dimensions:
    • 5.5 x 3.3 x 5.7 inches.
  • Weight:
    • 1.1 kg (2.5 lbs).
  • Enclosure:
    • Open-type, must be installed in a 1746 chassis.
  • Connections:
    • Front panel with 5 terminals for AC line, DC power, and grounding.
    • Jumper pins for input voltage selection.

Environmental Specifications:

  • Operating Temperature:
    • 0-60°C.
  • Storage:
    • Designed for industrial environments with proper surge protection.
  • Compliance:
    • Meets industrial safety and reliability standards.

Notable Features:

  1. Voltage Jumper Selection:
    • Switchable between 100/120 V AC and 200/240 V AC using jumper pins.
  2. Hold-Up Time Feature:
    • Ensures temporary operation of the PLC processor during brief input power dips.
  3. Durable Design:
    • Protects against electrical surges and arcs with optional isolation transformers for high-inductive load environments.
  4. Revisions for Enhanced Features:
    • Series A/B: Shutdown on overcurrent with CPU fault.
    • Series C: Allows CPU to continue running under user power shutdown.

Applications

The 1746-P2 Power Supply is suited for industrial automation systems requiring reliable power delivery, such as:

  • Manufacturing assembly lines.
  • Process automation.
  • Material handling systems.
  • Machine control applications.

Ordering Information:

  • Manufacturer: Rockwell Automation
  • Brand: Allen-Bradley
  • Catalog Number: 1746-P2
  • UPC: 10662468088326
  • Fuse Replacement Part Number: 1746-F2 or equivalent.

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